Migrate to modern standards, part 32

.gitignore

@@ -2,12 +2,13 @@
 dist/
 target/
 
-# Dependency directories
+# Dependencies
 node_modules/
 jspm_packages/
+package-lock.json
 
 # Logs
-logs
+logs/
 *.log
 npm-debug.log*
 yarn-debug.log*
@@ -19,21 +20,11 @@ lerna-debug.log*
 report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
 
 # Runtime data
-pids
+pids/
 *.pid
 *.seed
 *.pid.lock
 
-# Directory for instrumented libs generated by jscoverage/JSCover
-lib-cov
-
-# Coverage directory used by tools like istanbul
-coverage
-*.lcov
-
-# nyc test coverage
-.nyc_output
-
 # Compiled binary addons (https://nodejs.org/api/addons.html)
 build/Release
 
@@ -49,12 +40,6 @@ build/Release
 # Optional stylelint cache
 .stylelintcache
 
-# Microbundle cache
-.rpt2_cache/
-.rts2_cache_cjs/
-.rts2_cache_es/
-.rts2_cache_umd/
-
 # Optional REPL history
 .node_repl_history
 

jest.config.ts

@@ -0,0 +1,58 @@
+import {JestConfigWithTsJest} from 'ts-jest';
+
+/*
+ * For a detailed explanation regarding each configuration property and type check, visit:
+ * https://jestjs.io/docs/configuration
+ */
+const jestConfig: JestConfigWithTsJest = {
+    // The directory where Jest should store its cached dependency information
+    cacheDirectory: './dist/test/jest',
+    // Indicates whether the coverage information should be collected while executing the test
+    collectCoverage: true,
+    // The directory where Jest should output its coverage files
+    coverageDirectory: './dist/test/coverage',
+    // An array of regexp pattern strings used to skip coverage collection
+    coveragePathIgnorePatterns: [
+        '\\.idea\\',
+        '\\dist\\',
+        '\\node_modules\\',
+        '\\test\\',
+    ],
+    // Indicates which provider should be used to instrument code for coverage
+    coverageProvider: 'v8',
+    // An object that configures minimum threshold enforcement for coverage results
+    coverageThreshold: {
+        global: {
+            branches: 80,
+            functions: 80
+        },
+    },
+    // The default configuration for fake timers
+    fakeTimers: {
+        enableGlobally: true
+    },
+    // A preset that is used as a base for Jest's configuration
+    preset: 'ts-jest/presets/js-with-ts-esm-legacy',
+    // A list of paths to modules that run some code to configure or set up the testing framework before each test
+    setupFilesAfterEnv: ['./test/fake/polyfill-fake.js'],
+    // The test environment that will be used for testing
+    testEnvironment: 'jsdom',
+    // A map from regular expressions to paths to transformers
+    transform: {
+        '^.+\\.[tj]sx?$': [
+            'ts-jest',
+            {
+                useESM: true,
+                tsconfig: './test/tsconfig.json'
+            },
+        ],
+    },
+    // A list of additional extensions to treat as native ESM (besides .js)
+    extensionsToTreatAsEsm: ['.ts'],
+    // A map from regular expressions to module names or to arrays of module names that allow to stub out resources, like images or styles with a single module.
+    moduleNameMapper: {
+        '^(\\.{1,2}/.+)\\.js$': '$1',
+    },
+};
+
+export default jestConfig;